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Information Technology Unknown Status software engineer

22 software engineer jobs found

CL
May 09, 2026  
Embedded Software Engineer - SC Cleared
Embedded Software Engineer - SC Cleared + £450 a day + Portsmouth + 3 days on site a week hybrid + 6 Months initial contract Overview: + C / C++ Embedded Systems + Bare Metal and Linux + SC Clearance required A global defence consultancy are looking for an Embedded Software Engineer to join their team providing cutting edge technology solutions to their key customers. The role: Use your skills and knowledge to prototype innovative wireless solutions You will be primarily developing using C/C++ on embedded platforms Development of embedded software/firmware prototypes in an agile environment Further development of proven prototypes to a deployment standard Development of software in a real-time embedded environment using Linux. (e.g. Microblaze or RISC-V using C/C++) Experience of working with and configuring embedded Linux systems with tools such as Buildroot and Yocto Experience of working with Uboot, Kernel config and device trees Building and deploying embedded Linux...
IR35 Status:
Unknown Status

CV-Library Portsmouth, Hampshire Contractor
CL
May 02, 2026  
C# / .net Software Engineer
C# / .net Software Engineer Milton Keynes - first few days for training then 1 site visit a month 6 Months Contract £550 per day We are looking for an experienced C# Software Engineer to join the team and support us on our journey in transforming our application landscape to provide a modern, cloud hosted finance platform. This exciting opportunity offers the chance for you to work for a fantastic brand and to help shape our digital future. About the role As a key part of the scrum team, you will help to shape the company's core products, working on green and brownfield solutions using the latest technologies. You will play an important role in the product lifecycle, contributing to design, from development through to delivery. About you We are looking for a good communicator and strong team player with skills aligned to our tech stack. We would expect you to have strong experience in most of the following: Tech Stack C# .Net Core Typescript React Web API Kubernetes /...
IR35 Status:
Unknown Status

CV-Library Milton Keynes, Buckinghamshire Contractor
CL
May 01, 2026  
Application Software Engineer
Application Software Engineer - UK-based | Hybrid working - Defence & Advanced Technology On behalf of our client, a leading UK-based organisation operating at the forefront of defence, security and complex systems engineering, we are seeking an Application Software Engineer to join a growing, highly technical software team. This organisation designs and develops some of the most advanced command, control and mission systems in service today, working on projects that have genuine national and international impact. The Opportunity The successful candidate will support the delivery of a demonstration system for a next‑generation Command and Control application, extending established concepts and introducing new logic and capabilities. This demonstrator plays a critical role in shaping future full‑scale operational systems. This is an excellent opportunity for an engineer who enjoys translating system-level requirements into high‑quality, working software, collaborating...
IR35 Status:
Unknown Status

CV-Library Bristol, UK Contractor
CL
Apr 09, 2026  
Software Engineer
Software Engineer Certain Advantage is hiring for a Software Engineer based in the Guildford or Newcastle area. This role is on a contract basis and is hybrid-based. The Company We’re working with a Manufacturing business that operates in the Aerospace sector. They design, manufacture and deliver industry-leading commercial aircraft, and a separate Space and Defence division. Does this sound like your next career move? If you’re ambitious to grow, this may be your next role? The Role: This role is for a Software Engineer —someone ambitious and ready to make an impact. You’ll be results-oriented and driven to succeed. You’ll be working in a small, experienced, and collaborative team, and be responsible for: High-quality, readable, scalable and easily maintained code, using Java. Contribution to quality assurance by writing unit and automated tests. Design and code reviews Sprint planning, reviews, and daily stand-ups in a true Agile environmentThe Individual We’re looking for...
IR35 Status:
Unknown Status

CV-Library Guildford, UK Contractor
CL
Apr 03, 2026  
Software Engineer (C++)
C++ Engineer Certain Advantage are hiring for a C++ Engineer based in London. This role is on an initial contract till the end of the year and is hybrid. The company We’re working with an organisation that operates globally, helping power homes, transport, and industries with the energy they depend on every day. The role: Implement solutions using the provided exchange SDKs in different languages such as C++, Rust, Python, Typescript Write software that communicates with exchanges through their APIs, receiving market data and sending orders over the network in different protocols, such as FIX, Websocket or HTTP requests Optimize exchange communication through kernel bypass, optimizing TLS or the connection handling to an exchange Implement trading algorithms based on requirements provided by traders and quants Acquire and develop the necessary trading knowledge to successfully translate the requirements into actual software implementation Continuously improve the...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
Mar 06, 2026  
Embedded Ada Software Engineer
World Class Defence Organisation based in Bristol is currently looking to recruit 2x Embedded ADA Software Engineer subcontractors on an initial 12 month contract.  The role will likely be required to be onsite, but it can be worked on a 4-day week basis.   Essential - ADA, Background in safety critical software. Desirable - Linux, Doors, Dimensions, UML, Mascot etc.   Contract Duration: 12 Months initially and then ongoing. Hourly Rate: £68.00ph (Umbrella).   Overtime rate: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’   Embedded ADA Software Engineer Job Description: We work on technology that is at the forefront of European missile system design, delivering safe, secure, and reliable products to our customers. The System software department covers all aspects of command and control software (C2) for both land and maritime missile systems. We are expanding the Sea Viper and Sea Ceptor missile C2 team for the development of the next generation of...
IR35 Status:
Unknown Status

CV-Library Bristol, UK Contractor
CL
Feb 21, 2026  
Software Engineer
Software Engineer (Java) SC Clearance Required Certain Advantage are hiring for a Software Engineer based in Portsmouth. This role is on an initial 12-month contract and is required to be onsite 3 days a week.   Your responsibilities: Contribute across the full software development lifecycle, including design, development, testing, and deployment. Design software solutions using UML/SysML and contribute to technical architecture within a microservices environment. Develop high-quality Java applications using Spring Boot, Spring Framework and related technologies. Implement and maintain RESTful web services over HTTPS within distributed systems. Write and maintain automated tests, ensuring quality and reliability are built into the solution from the outset. Participate in Agile ceremonies including sprint planning, estimation, reviews and retrospectives. Collaborate closely with team members and wider stakeholders to design, implement and test new product features. Contribute...
IR35 Status:
Unknown Status

CV-Library Portsmouth, UK Contractor
CL
Apr 08, 2026  
Software Engineering Manager
Software Engineering Manager Certain Advantage is hiring for a Software Engineering Manager based in the Farnborough area. This role is on a contract basis and is site-based. The Company We’re working with a Manufacturing business that operates in the Aerospace sector. They design, manufacture and deliver industry-leading commercial aircraft, and a separate Space and Defence division. Does this sound like your next career move? If you’re ambitious to grow, this may be your next role? The Role: This role is for a Software Engineering Manager—someone ambitious and ready to make an impact. You’ll be results-oriented and driven to succeed. You’ll be working in a small, experienced, and collaborative team, and be responsible for: Lead the day-to-day activities of the software team Plan, design, develop, verify, and integrate the software for the high-altitude, long-endurance Zephyr aircraft. Acting as the technical authority for software, ensuring compliance with safety, performance,...
IR35 Status:
Unknown Status

CV-Library Farnborough, UK Contractor
CL
May 10, 2026  
Full Stack Developer
Job Title: CRM Full-Stack Software Engineer/Developer Location: Remote (UK) Contract: Full-Time Salary: £(Apply online only) per day Overview We are seeking a talented CRM Full-Stack Software Engineer to support the development and scaling of our modern customer relationship management (CRM) platform. This role involves building and maintaining high-performance, secure, and scalable CRM features across both frontend and backend systems. The ideal candidate will have strong experience with TypeScript, Node.js, React, and cloud-based architectures, along with experience working in microservices environments, building APIs, and managing customer-centric data systems. This position is offered as a remote full-time contract with potential for extension depending on performance and project needs. Project Overview You will contribute to the design and development of a scalable CRM platform used to: Manage customer lifecycle and engagement Store and process customer...
IR35 Status:
Unknown Status

CV-Library Liverpool, Merseyside Contractor
CL
May 08, 2026  
Data Engineer
Role Title / Position: Data Engineer III Type : Contract Duration:12 months Location: Bromley or Chester Job Description: Required qualifications : • Knowledge of professional software engineering & best practices for full software development life cycle, including coding standards, software architectures, code reviews, source control management, continuous deployments, testing, and operational excellence • Experience working on and delivering end to end projects independently • Experience building/operating highly available, distributed systems of data extraction, ingestion, and processing of large data sets • Experience with data modeling, warehousing and building ETL pipelines • Experience in at least one modern scripting or programming language, such as Python, Java, Scala, or NodeJS • Experience as a data engineer or related specialty (e.g., software engineer, business intelligence engineer, data scientist) with a track record of manipulating, processing, and extracting...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
May 07, 2026  
Backend Engineer (Git) - SPFYJP00003452
Role : Back End Developer Location : London,UK Type : Contract Job Description : The role is located in the Platform Developer Experience (PDX) tribe within the Platform Mission. The PDX Studio oversees and owns the infrastructure that cuts across all engineering disciplines.What you'll do Execute on future VCS infrastructure strategy that is able to serve 3000+ engineers doing 100's of thousands of builds daily and beyond Support with Operational tasks keeping our systems healthy and uptodate Develop and maintain our GHES(GitHub Enterprise Server) instance to enable develop software more efficiently Drive the automation and improvements to our GHES instance across our current technical stacks. Collaborate with Infrastructure teams across the company to ensure we have a stable VCS platform.Who you are You are an experienced engineering familiar with Linux and Networking fundamentals You are an experience engineer having experience running/admining GitHub enterprise Server and...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
May 06, 2026  
IT Technical Lead
IT Technical Lead Dublin · Hybrid (3 days in office) · Up to £650/day Rate Up to €650/pd Location Dublin, Ireland Working model Hybrid · 3 days in The Comapany is undertaking one of its most significant technology transformations — and we're looking for a hands-on Technical Lead to sit at the heart of it. This is a high-impact, highly visible contract role where you'll shape how we retire legacy infrastructure and build something genuinely modern in its place. The role As part of the initiative, you'll lead the technical delivery across multiple IT workstreams — covering both the modernisation of legacy systems and the integration of new cloud-native architecture. The first pilot market is Iberia (Spain and Portugal), with a remit that spans the full EMEA business. You'll set the technical direction, lead a team of developers, own the architecture decisions, and act as the critical bridge between engineering and business stakeholders. This is a genuinely senior hands-on...
IR35 Status:
Unknown Status

CV-Library Dublin, Dublin City Contractor
CL
May 07, 2026  
Senior Embedded Systems Engineer - Linux - Xilinx - Video
Senior Embedded Systems Engineer (Linux, Xilinx, Video) High Wycombe / Thames Valley area (Hybrid) – 6 – 12 month contract For more details contact Adam Mayne, (url removed)  (phone number removed)    We are seeking a highly experienced Embedded Linux specialist to work with a cutting‑edge engineering team developing custom Xilinx‑based platforms. This is a hands‑on role focused on board and system bring‑up, sitting at the boundary between FPGA, boot chain, Linux BSP, and video/display integration, rather than application‑level software.    You will work closely with FPGA and hardware engineers in a lab environment, helping to drive early hardware platforms through bring‑up and into a stable development or product state. The position suits a senior consultant or engineer who enjoys low‑level debugging, hardware/software integration, and solving complex system‑level problems.    Rate is negotiable depending on experience.    Responsibilities of Senior Embedded Systems...
IR35 Status:
Unknown Status

CV-Library High Wycombe, UK Contractor
CL
May 01, 2026  
DevOps Tester
DevOps Tester +6 months + +Fully remote working +SC cleared - must hold current active clearance +Sole British nationals only - due to nature of the project Skills: +AWS +Kubernetes +Public Sector experience +Testing experience - can set the Testing process up from beginning to end and to be able to own it We're looking for an experienced DevOps Tester, this is a pivotal role in maintaining critical national infrastructure where scalability and resilience are essential. We're looking for a highly skilled DevOps engineer with a strong background in testing (including APIs). The ideal candidate should be self-motivated and results-driven, capable of thriving in an Agile team. You'll need to be comfortable with Confluence for documentation and Jira for project tracking and story management. Your main responsibility will be to develop and structure a comprehensive test framework. This includes creating approaches and plans, gaining approval for those approaches, and...
IR35 Status:
Unknown Status

CV-Library London, UK Contractor
CL
May 01, 2026  
Contract IT Support Technician
Steeper Group is a true leader in the Orthotic, Prosthetic and Assistive Technology products. In the past 100 years we have grown to become one of the UK’s largest suppliers. Steeper’s vision is to create life’s turning points, together. We aim to do this by delivering innovative prosthetic, orthotic and assistive technology products and responsive clinical services. We have an exciting opportunity for an IT Support Technician to join our existing team at our Head Office in Leeds on a 4-month fixed term basis with a salary of £9,000 (£27,000 FTE) The Role: This is a full-time (Monday to Friday) role based on site at our Leeds headquarters, this role is ideal for an IT Support engineer with 1 to 2 years’ experience in desktop support, network and storage infrastructure, looking to develop their first- and second-line support skills. Responsibilities: To provide technical hands-on support, answering support queries either in person or via phone or ITSM system. To maintain a...
IR35 Status:
Unknown Status

CV-Library LS10, Leeds ICD, City and Borough of Leeds Contractor
CL
Apr 24, 2026  
UX / UI Engineer
One of the world's largest automotive manufacturers, is currently recruiting for a number of Automotive UX Engineers, Researchers, UI Designers and Animators, to help them develop unique and innovative vehicles. You will support delivery of user testing across digital in vehicle experiences, working across virtual reality, static simulators and functional prototypes. Based in Warwickshire, you will be supporting, a dedicated and multidisciplinary design and research team, on a contract basis. Responsibilities of the UX Engineers, Researchers, Designers and Animator roles include: * Plan and execute UX testing activities across vehicles, simulators and digital prototypes * Planning, running and analysing research * Work closely with designers and product teams to define research needs and translate findings into clear recommendation * Record and communicate findings from user studies * Contribute to the creation of benchmarking and user profile * Collaboration with...
IR35 Status:
Unknown Status

CV-Library West Midlands, UK Contractor
CL
Feb 11, 2026  
Electrical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit an Electrical Systems Engineer / Architect subcontractor on an initial 12 month contract. Your base site can either be from the companies Bristol, Stevenage or Bolton office.  This role will be a hybrid position – 3 days per week onsite and 2 days remote.      Hourly Rate: £60 - £85 (Umbrella).      Contract Duration: 6 Months initially and then ongoing and long-term thereafter.   Missile Electronic Architect Job Description:   Electrical Architects/Engineers are involved in all aspects of missile development, from the early concept studies to series production and in-service support. It’s an excellent opportunity for someone wanting to build on their engineering experience. Responsibilities: You will be responsible for the electrical architecture and requirements for missiles and/or their associated launcher systems with duties including: Specifying/determining system electrical requirements interface definitions...
IR35 Status:
Unknown Status

CV-Library Bolton, UK Contractor
CL
Feb 11, 2026  
Electrical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit an Electrical Systems Engineer / Architect subcontractor on an initial 12 month contract. Your base site can either be from the companies Bristol, Stevenage or Bolton office.  This role will be a hybrid position – 3 days per week onsite and 2 days remote.      Hourly Rate: £60 - £85 (Umbrella).      Contract Duration: 6 Months initially and then ongoing and long-term thereafter.   Missile Electronic Architect Job Description:   Electrical Architects/Engineers are involved in all aspects of missile development, from the early concept studies to series production and in-service support. It’s an excellent opportunity for someone wanting to build on their engineering experience. Responsibilities: You will be responsible for the electrical architecture and requirements for missiles and/or their associated launcher systems with duties including: Specifying/determining system electrical requirements interface definitions...
IR35 Status:
Unknown Status

CV-Library Stevenage, UK Contractor
CL
Feb 11, 2026  
Electrical Systems Engineer / Architect
World Class Defence Organisation is currently looking to recruit an Electrical Systems Engineer / Architect subcontractor on an initial 12 month contract. Your base site can either be from the companies Bristol, Stevenage or Bolton office.  This role will be a hybrid position – 3 days per week onsite and 2 days remote.      Hourly Rate: £60 - £85 (Umbrella).      Contract Duration: 6 Months initially and then ongoing and long-term thereafter.   Missile Electronic Architect Job Description:   Electrical Architects/Engineers are involved in all aspects of missile development, from the early concept studies to series production and in-service support. It’s an excellent opportunity for someone wanting to build on their engineering experience. Responsibilities: You will be responsible for the electrical architecture and requirements for missiles and/or their associated launcher systems with duties including: Specifying/determining system electrical requirements interface definitions...
IR35 Status:
Unknown Status

CV-Library Bristol, UK Contractor
CL
May 02, 2026  
Senior Database Architect
€600 - €630 per day Galway based, hybrid working Long term contract with scope for further extension Partnering with a large financial services firm to hire on a strategy and research team. Ideal for someone with enterprise development background along with full stack coding and data skills. Will have the opportunity to get exposure to engineering LLMs. Your Responsibilities Design and develop full stack Python applications from concept through to production Build scalable APIs, backend services, and user-facing components Develop and optimise database solutions, including schema design, queries, and performance tuning Build and maintain data pipelines to process and transform large datasets Deploy and manage applications and databases within AWS environments Collaborate with cross-functional teams to deliver reliable, production-ready solutions Support live systems and contribute to ongoing platform and database improvements Your Experience 6+ years’ experience in...
IR35 Status:
Unknown Status

CV-Library Galway, Ireland Contractor
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